			#top,#footer{
				width:100%;
			}
			/*---------------------top--------------------------------*/
			#top{
				height:700px;
				/*background:skyblue;*/
			}
			.footer_img{
				width:1200px;
				margin:0 auto;	
			}
			.biao{
				width:1200px;
				height:99%;
				border:2px solid black ;
				border-radius: 20px;
				margin:2% auto;	
			}
			.title{
				text-align: center;
				font-size: 26px;
				background:#f3f3f3;
				height:5%;
				border-top-left-radius: 20px;
				border-top-right-radius: 20px;
				line-height: 30px;
			}
			.daochu{
				height:27%;
			}
			.shangchuan{
				height:27%;
			}
			.erweima{
				height:41% ;
				/*background: darkcyan;*/
			}
			.p1{
				text-align: center;
				font-size: 18px;
				padding-top: 3%;
			}
			.p2{
				text-align: center;
				font-size: 18px;
				padding-top: 1%;
			}
			button{
				width:240px;
				height:53px;
			    color: white;
			    text-align: center;
			    border: 0;
			    outline: none;
			    font-size: 20px;
			    cursor: pointer;
				background:#5fb6e9;
				margin: 2% 40%;
				border-radius: 10px;
			}
			button img{
				vertical-align: middle;
			    margin-right: 20px;
			}
			.erweima_img{
				margin:10px auto;
				width: 180px;
				height:180px;			
			}
			.erweima_img img{
				width: 100%;
				height:100%;
				border: 0;
			}
			/*------------------footer------------------------*/
			.footer_img{
				height:10%;
				text-align: center;
				font-size: 18px;
			}
			.footer_img p{
				padding-top:20px;
			}
			#footer{
				background:#f5f5f5;
			}
			.footer_img img{
				margin-top: 15px;
			}